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Hyperfine effects on potassium tune-out wavelengths and polarizabilities

Jiang, Jun and Mitroy, Jim (2013). Hyperfine effects on potassium tune-out wavelengths and polarizabilities. Physical Review A: Atomic Molecular and Optical Physics,88(3):032505-1-032505-7.

Document type: Journal Article
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IRMA ID 82794376xPUB120
Title Hyperfine effects on potassium tune-out wavelengths and polarizabilities
Author Jiang, Jun
Mitroy, Jim
Journal Name Physical Review A: Atomic Molecular and Optical Physics
Publication Date 2013
Volume Number 88
Issue Number 3
ISSN 1050-2947   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84884888500
Start Page 032505-1
End Page 032505-7
Total Pages 7
Place of Publication United States of America
Publisher American Physical Society
HERDC Category C1 - Journal Article (DIISR)
Abstract The influence of hyperfine interactions on the tune-out wavelengths of the 39K, 40K, and 41K isotopes of the potassium atom was investigated. The hyperfine interaction of the 4s1/2 ground state results in a shift and splitting of the primary tune-out wavelength near 769 nm. The 4s1/2 state hyperfine splittings of the primary tune-out wavelength were almost equal to the hyperfine splittings of the ground states. The splittings in the wavelengths were 0.0009, 0.0026, and 0.0005 nm for 39K, 40K, and 41K, respectively. The hyperfine splitting of the npJ levels leads to the creation of additional tune-out wavelengths. The additional tune-out wavelengths could be difficult to detect due to very small differences from the transition wavelengths to the 4pJ,F states. The hyperfine Stark shift for the ground states of all three isotopes was also computed, and the value for 39K was found to be compatible with the previous experiments and the most recent calculation using relativistic many-body perturbation theory.
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Additional Notes Preprint pages 1-7

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